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Assistant Physicist

Argonne National Laboratory
Lemont, IL Full Time
POSTED ON 5/5/2026
AVAILABLE BEFORE 6/3/2026
The Accelerator Systems Division of the Advanced Photon Source (APS) at Argonne National Laboratory invites applications for a staff Assistant Physicist position in the Accelerator Operations and Physics (AOP) Group.

The successful candidate will:

  • Play a significant role in maintaining the high-reliability operation of the APS storage ring.
  • Perform general accelerator physics activities, including independently conducting machine studies to diagnose and resolve operational issues.
  • Support APS performance improvements by conducting accelerator experiments, processing and analyzing data, and performing simulations and/or theoretical studies.
  • Maintain positive and effective working relationships with APS technical staff through active communication and collaboration.
  • Participate in research and development activities for future accelerator facilities.
  • Document research outcomes and present results at meetings and conferences; publish findings in refereed journals and conference proceedings.
  • May be required to perform other duties as assigned.

Position Requirements

  • Ph.D. in accelerator physics or a closely related field with 2 years of postdoctoral experience.
  • Demonstrated experience operating an accelerator independently and conducting beam experiments.
  • Strong knowledge of accelerator theory, accelerator modeling and simulation, beam control, and beam diagnostics.
  • Familiarity with EPICS-based control systems in a Linux environment.
  • Ability to model Argonne’s core values of impact, safety, respect, integrity, and teamwork.
  • Interpersonal skills, oral and written communication skills, and ability to interact with people at all levels both within and outside the laboratory.

Job Family

Research Development (RD)

Job Profile

Physics 2

Worker Type

Regular

Time Type

Full time

The expected hiring range for this position is $94,486.00 - $147,398.94.

Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. Additionally, comprehensive benefits are part of the total rewards package.

Click here to view Argonne employee benefits!

As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law.

Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department.

All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.

Salary : $94,486 - $147,399

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